{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["material", "enabling technology", "engineering feature", "biomedical", "concept or principle", "process characterization"], "input": "Most metal AM processes create parts with poor surface finish , usually no better than 15 Rz and very often considerably worse ."}
{"material": [], "enabling technology": [], "engineering feature": ["surface finish"], "biomedical": [], "concept or principle": [], "process characterization": []}